Here is something trivial: I went shopping today: I don't know whether you often go shoppping for groups or a big family (in my case that is for my husband and me and the four children and often for my mother as well) but this is how it often goes for me:
my trolley is brimful with mountains of stuff on top and beverage crates underneath. If there is a sale for chips or sausages for example the shop assistant kindly wishes me "Lots of fun at the party!" - What party?
My trolley serves as a kind of reverse rod of Moses: behind me the sea of shoppers parts to get to a different checkout. If someone has to queue behind me nonetheless they sometimes get this irritated look. Maybe I should purchase one of those bus bumper stickers: ' This bus trolley replaces 6 less filled trolleys in front of you'.